[Dovecot] New Mailbox Format Plugin Help

Timo Sirainen tss at iki.fi
Sat Dec 8 17:17:03 EET 2007


On Sat, 2007-12-08 at 10:11 -0500, Sacha Bernstein wrote:
> I would like to develop a new mailbox format for a very specialized
> application.  Can anyone point me in the appropriate direction to get
> started writing a plugin?
> 
> More detail for anyone interested:
> I need to store mail in a format that's quickly accessible and
> modifiable to an external process.  This is for a very low-volume mail
> system (averaging less than 50 messages stored at any one time) that
> needs very good indexing.  I need to create new mailboxes on the fly
> and perform fast searches across all the mailboxes.  I intend to store
> all the messages in an SQL database.  Any help getting started
> interfacing with dovecot (other than reading through _all_ the source
> code) would be greatly appreciated.

v1.1 makes this a lot easier, so start with it instead of v1.0. You can
probably get started with my existing SQL backend code:
http://dovecot.org/list/dovecot/2007-November/026632.html

The main idea is to implement APIs in lib-storage/mail-storage-private.h
and lib-storage/mailbox-list-private.h. Most of these calls can be
implemented by calling generic index_*() functions in
lib-storage/index/.

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